Removing And Replacing The System Battery; Removing The System Battery - HP AB464-9003F Service Manual

Removing and Replacing the System Battery

The system battery is located on the I/O board assembly. Replace the battery with an identical
or equivalent battery only. Dispose of used batteries according to the manufacturer's instructions.
WARNING!
dispose of batteries in a fire. Failure to observe this warning can result in personal injury or
damage to equipment.

Removing the System Battery

WARNING!
disconnected from the server prior to performing this procedure.
Voltages are present at various locations within the server whenever an AC power source is
connected. This voltage is present even when the main power switch is in the off position.
Failure to observe this warning can result in personal injury or damage to equipment.
CAUTION:
follow ESD safety precautions can result in damage to the server.
IMPORTANT:
settings. (Find the settings using the INFO ALL EFI command.) You must reset these values
after replacing the battery.
To remove and replace the system battery, follow these steps:
1. Power off the server and disconnect the power cables. See
(page 89).
CAUTION:
removal and replacement of the I/O board assembly occurs through the rear of the rack for
rack-installed servers. Carefully follow the removal and replacement procedures; you must
first perform several tasks with the server extended out from the front of the rack. See
"Removing and Replacing the I/O Board Assembly" (page 224)
2. Remove the I/O board assembly. See
3. Locate the system battery on the I/O board assembly
WARNING!
holder to separate from the system board.
WARNING!
battery holder does not have the "+" marking, the side of the holder with springs will be the
"+" end.
4. Using a nonconductive tool small enough to fit into the battery slot as leverage, gently remove
the battery from the holder from the end marked "---".
NOTE:
or a similar tool.
228 Removing and Replacing Server Components
Lithium batteries can explode if mistreated. Do not recharge, disassemble, or
Ensure that the system is powered off and all power sources have been
Observe all ESD safety precautions before attempting this procedure. Failure to
Before removing the system battery, record all boot and LAN configuration
You must remove the I/O board assembly to service the system battery. The
Do not attempt to remove the battery by hand. Doing so can cause the battery
Do not attempt to remove the battery from the side marked "+" first. If your
Hewlett Packard Enterprise recommends using ESD safe, non-conductive tweezers
"Powering Off the Server"
"Removing the I/O Board Assembly" (page
(Figure
for complete instructions.
224).
78).